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Brief History

Powermaster Industrial Supplies all forms of tooling for the boiler, heat exchanger and pressure vessel industry. We also provide heat exchanger and boiler cleaning on-site in Ontario only.

We supply top quality spring tool balancers which can be found in many of North America's automobile manufacturing plants. The latest being the modern Tesla Plant in california.

We source and design quality tooling from all over the world and test this equipment before even considering passing the product to our customers.

Our motto still remains the same to this day,

"What can we Do for You".

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Partners:

SBH Series Spring Tool Balancers

Spring Tool Balancers

Bolting tools

Bolting Tools


Making one connection at a time.

Connecting the Mining Industry worldwide

A Series Boiler Tube Expander


For Parallel Rolling tubes

A Series Boiler Tube Expander for parallel rolling of boiler tubes. The A Series is the ideal boiler tube expander for parallel rolling of tubes. Made with a sturdy construction with the rollers self contained. Also available with three types of mandrel, Drum, Header or the Short Series for in limited space.

Features:

  • Most economic Expander available.
  • Strong construction.
  • Parallel straight rolling of tubes.

Range:

  • 7/8" OD to 4.1/2"OD.
  • 3 BWG down to 20 BWG
  • 1/2" to 2.5/8 Tubesheet Thickness

Follow this pdf link for the full specification sheets


Training Tips:

Question:
How to find out what the finished ID should be after rolling a tube before carrying out a pullout test.

Even if you are not carrying out pullout tests you should know the finished ID of the rolled tubes so this can be checked as the rolling of the tubes proceed.

Example:
1.250"OD x 0.105" wall thickness
Recommended expansion 0.009"
Tube Sheet Hole 1.260"

1. Tube ID before Expansion 1.040"

2. Recommended expansion 0.009"

3. Difference between Tube OD
and Tube Sheet Bore Hole     0.010"

Finished ID (Add1,2,and 3)    1.059"